<template>
    <div class="app-container">
        <!-- 顶部 header 区域 -->
        <mt-header fixed title="vue-项目">
			 <span slot="left" @click="goback" v-show="flag">
				<mt-button icon="back">返回</mt-button>
			</span>
		</mt-header>
        <!-- 中间 router-view 区域 -->
		<transition mode="out-in" >
			<router-view></router-view>
		</transition>
        <!-- 底部 tabbar 区域 -->
        <nav class="mui-bar mui-bar-tab fixed">
			<router-link class="mui-tab-item-wjw" to="/home">
				<span class="mui-icon mui-icon-home"></span>
				<span class="mui-tab-label">首页</span>
			</router-link>
			<router-link class="mui-tab-item-wjw" to="/member">
				<span class="mui-icon mui-icon-contact"></span>
				<span class="mui-tab-label">会员</span>
			</router-link>
			<router-link class="mui-tab-item-wjw"  to="/shopcar">
				<span class="mui-icon mui-icon-extra mui-icon-extra-cart">
					<span class="mui-badge" id="badge">{{ this.$store.getters.getallcount }}</span>
				</span>
				<span class="mui-tab-label">购物车</span>
			</router-link>
			<router-link class="mui-tab-item-wjw" to="/search">
				<span class="mui-icon mui-icon-search"></span>
				<span class="mui-tab-label">搜索</span>
			</router-link>
		</nav>
		
    </div>
</template>

<script>
	export default{
		data() {
			return {
				flag:false
			}
		},
		created(){
			if(this.$route.path === "/home" ){
				this.flag = false;
			}else{
				this.flag = true;
			}
		},
		methods:{
			goback(){
				this.$router.go(-1);
			}
		},
		watch:{	
			"$route.path":function(nowval){
				if(nowval === "/home" ){
					this.flag = false;
				}else{
					this.flag = true;
				}
			}
		}
	}
</script>

<style lang="scss" scoped>
	.mint-header{
	z-index: 99;
	}
    .app-container{
        padding-top: 40px;
        padding-bottom: 50px;
		overflow-x:hidden;
    }

	.v-enter{
		opacity:0;
		transform: translateX(100%);
	}

	.v-leave-to{
		opacity:0;
		transform: translateX(-100%);
		position:absolute;
	}

	.v-enter-active,
	.v-leave-active{
		transition:all 0.5s ease;
	}

	// 类名冲突 更改类名
	.fixed{
	    bottom: 0;
		right: 0;
		left: 0;
		position: fixed;	
		z-index: 1;
	}

	.mui-bar-tab .mui-tab-item-wjw.mui-active {
    color: #007aff;
	}

	.mui-bar-tab .mui-tab-item-wjw {
    display: table-cell;
    overflow: hidden;
    width: 1%;
    height: 50px;
    text-align: center;
    vertical-align: middle;
    white-space: nowrap;
    text-overflow: ellipsis;
    color: #929292;
	}

	.mui-bar-tab .mui-tab-item-wjw .mui-icon {
    top: 3px;
    width: 24px;
    height: 24px;
    padding-top: 0;
    padding-bottom: 0;
	}

	.mui-bar-tab .mui-tab-item-wjw .mui-icon~.mui-tab-label {
    font-size: 11px;
    display: block;
    overflow: hidden;
    text-overflow: ellipsis;
	}
</style>

